In my db i have many tables that start with 'bza' in table name.   I wrote all those table names into a text file name as tables.txt   Now using a shell script (count_row.sh) I am reading each line from tables.txt and execuing the hive commnad:     while IFS='' read -r line || [[ -n "$line" ]]; do echo "" echo "" echo "" echo "Counting the table : $line" eval "hive -e 'select count(*) from $line'" done < "$1" This results in total rows from each table, which I am writting it into a text file rows.txt as   $ ./count_row.sh tables.txt > row.txt Now my task is I want to count the total number of rows from all the tables by summing the individual result.    Is there any way to achieve that ? Or any alternate way to count the rows from mutliple tables.     ... View more